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scanning negs via camera
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PostPosted: Thu Nov 14, 2013 9:22 pm    Post subject: Reply with quote
Rick1779 wrote:
Would an Industar 61 L/Z be good for this purpose?


Reversing the lens may give better results, but Rokkor enlarging lenses can be had for 10-15 euros if you wait for one to come up on auction. Of course others will do the job but I suggest Rokkor, Nikkor or Schneider. All superb lenses performing at their best at f8. The Rokkor or Schneider Componon are cheapest. Nikkors have the name which helps keep the price high.


PostPosted: Fri Nov 15, 2013 3:23 am    Post subject: Reply with quote
+1
Micro Nikkor is known to perform very good at high magnification ratios like 1:1,5
Minolta MD Macro Rokkor 100/4 (I've tried it) was also pretty good btw.

I don' think that the Industar-61 LZ would work better if reversed at about 1:1,5 or 1:1, it doesn't make sense to me.

If you try to get an enlarger lens like El-Nikkor, Componon, Rodagon etc., as said get an medium format (75mm-1XXmm) one - the 35mm ones (~50mm) are not symmetrical enough to perform well at high magnification ratios (at leat the one I've tried)

Last edited by ForenSeil on Thu Dec 19, 2013 10:41 am; edited 1 time in total


PostPosted: Fri Nov 15, 2013 2:26 pm    Post subject: Reply with quote
Lloydy wrote:
cooltouch wrote:
ForenSeil wrote:


Same problems here. White balance trick doesn't work here aswell. Maybe we could import the RAWs somehow in Silverfast etc.?


My experience with Silverfast is limited to a demo version I tried years ago. I never could make sense out of its interface -- not at all intuitive -- but folks swear by it. I guess the question though is getting it to run standalone, instead of operating a scanner?


I had the same problem, everyone praised Silverfast so I tried the free trial and couldn't make any sense of it at all. I went back to Twain that came with the Epson scanner and have no problem with that at all. Silverfast just seemed to be overcomplicated and be all things to all users, Twain is simple, I like simple. Wink


I've just heard that VueScan is able to open *.DNG files.
I have no license for VueScan but *.ARW, *.RAW etc. file should be very easy to convert to *.DNG files.


PostPosted: Sat Dec 14, 2013 9:34 pm    Post subject: Reply with quote
Very interesting topic.
I was looking for solutions to scan my first Fomapan 400 neg.

I was considering my Canon EF 100mm f2.8 macro and my 5D MkII to do the job.
Reading you, maybe the Voigtlander APO Lanthar 90mm f3.5 could also work well ?

Thank you for the tips.


PostPosted: Thu Dec 19, 2013 10:50 am    Post subject: Reply with quote
Olivier wrote:
Very interesting topic.
I was looking for solutions to scan my first Fomapan 400 neg.

I was considering my Canon EF 100mm f2.8 macro and my 5D MkII to do the job.
Reading you, maybe the Voigtlander APO Lanthar 90mm f3.5 could also work well ?

Thank you for the tips.


As far as I know the Apo Lanthar for SLR focues to 1:3,5 only.
The Canon EF will work very fine but Apo-Rodagon-R and Apo-Rodagon-D 75/4 would be better for slide digitalisation.


PostPosted: Thu Dec 19, 2013 11:40 am    Post subject: Reply with quote
Thank you Forenseil.

Min focusing distance of Canon Ef 100mm f2.8 macro is 30cm.
Min focusing distance of APO Lanthar 90mm f3.5 is 50cm.

The ratio is indeed better with the Canon.


PostPosted: Fri Dec 20, 2013 3:43 am    Post subject: Reply with quote
ForenSeil wrote:
Olivier wrote:
Very interesting topic.
I was looking for solutions to scan my first Fomapan 400 neg.

I was considering my Canon EF 100mm f2.8 macro and my 5D MkII to do the job.
Reading you, maybe the Voigtlander APO Lanthar 90mm f3.5 could also work well ?

Thank you for the tips.


As far as I know the Apo Lanthar for SLR focues to 1:3,5 only.
The Canon EF will work very fine but Apo-Rodagon-R and Apo-Rodagon-D 75/4 would be better for slide digitalisation.


I'm curious -- what is it about the Rodagons that you think make them superior to the Canon 100/2.8 macro?

Being a macro lens, it will also have a flat field.

I've never used any of these lenses, so it's simple curiosity on my part.


PostPosted: Fri Dec 20, 2013 6:50 am    Post subject: Reply with quote
I use a Rodagon 80mm f4 englaring lens to digitize with my K-7. I prefer it over a macro lens because it insert zero character into the images. Also, I can use it easily without an auto bellows. A macro would work fine, too. No reason not to use one IMHO.


PostPosted: Fri Dec 20, 2013 8:18 am    Post subject: Reply with quote
As I wrote above I was just curious. Given that I've sort of been winging it when it comes to making dupes with my DSLR, I'm always interested in how others get the job done.

I've been very satisfied with my results -- well, considering what I have to work with, camera-wise and all. At the heart of my system is an old 55mm f/3.5 Micro Nikkor with about 25mm of extension to give me close to 1:1 with my 1.6x crop body Canon. I tried longer focal lengths and couldn't get the crop/magnification I needed. The 55mm is almost an exact fit. 60mm would probably be even better. I know there is actually a selection of AF 60mm macros, but they're all expensive and I'd still need to use extension tubes most likely, so I'll just stick with what I have.


PostPosted: Fri Dec 20, 2013 10:04 am    Post subject: Reply with quote
I'm happy with the sharpness my Rokkor enlarging lens gives me. I use f8 for everything. The images are soooo much better than the little neg scanner I bought. It is so fast to use. I scanned 120 negs in little over half an hour. No expensive macros, the whole thing cost less than £20 including bellows and lens.

The colour neg thing is a PITA I can get reasonable results by sampling the base colour as described elsewhere but its not stable enough to create an action for it.


PostPosted: Sun Dec 22, 2013 8:05 pm    Post subject: Reply with quote
cooltouch wrote:
ForenSeil wrote:
Olivier wrote:
Very interesting topic.
I was looking for solutions to scan my first Fomapan 400 neg.

I was considering my Canon EF 100mm f2.8 macro and my 5D MkII to do the job.
Reading you, maybe the Voigtlander APO Lanthar 90mm f3.5 could also work well ?

Thank you for the tips.


As far as I know the Apo Lanthar for SLR focues to 1:3,5 only.
The Canon EF will work very fine but Apo-Rodagon-R and Apo-Rodagon-D 75/4 would be better for slide digitalisation.


I'm curious -- what is it about the Rodagons that you think make them superior to the Canon 100/2.8 macro?

Being a macro lens, it will also have a flat field.

I've never used any of these lenses, so it's simple curiosity on my part.


Apo-Rodagon-D 75/4 is an 1:1 optimized slide/negative duplication lens, made for this purpose. I guess not beatable by a lens which is works from infinity to 1:1 which has an unsymmetrical design. Flatfield, high resolution, near diffraction limted resolution, APO-like correction,....

Apo-Rodagon-R 75/4 is optically identical I think and has the same barrel (R means repro here), maybe different coatings and harde to find than the -D

There are also duping lenses by other manufacturers, for example Zeiss (much more expensive), Olympus (often more expensive), Minolta (hard to find) or Novoflex (cheaper but inferior)

I also had the 80/4 Rodagon in the meantime and found it to be quite decent but slightly inferior to the 105/5.6 Rodagon (and inferior to the Apo-Rodagon-D/R of course)

Last edited by ForenSeil on Mon Feb 03, 2014 12:06 am; edited 2 times in total


PostPosted: Fri Dec 27, 2013 7:28 am    Post subject: Reply with quote
Thanks for all this. That's very valuable information. I'm assuming the Rodagons are in M39 thread mount, right?


PostPosted: Sun Feb 02, 2014 11:52 pm    Post subject: Reply with quote
cooltouch wrote:
Thanks for all this. That's very valuable information. I'm assuming the Rodagons are in M39 thread mount, right?

Yes, all the Rodagons mentioned here come usually in M39
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